Islam/Jews, Christians and muslims

As long as those form other whom you across your life that meets this criteria, you can befriend them as well as become clsoe too.

But you have to ensure your emotions and friendliness do not over look

the below verses criteria spelt out in the Koran.

Basic Law Regulating Relations With Unbelievers

60:8

God does not enjoin you from befriending those who do not fight you because of religion, and do not evict you from your homes. You may befriend them and be equitable towards them. God loves the equitable.

60:9

God enjoins you only from befriending those who fight you because of religion, evict you from your homes, and band together with others to banish you. You shall not befriend them. Those who befriend them are the transgressors.

May the Almighty Allah have mercy on us to forgive our sins and guide us all to the true path of Islam as per the Koran for rest of our life.